- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F21V - Functional features or details of lighting devices or systems thereofstructural combinations of lighting devices with other articles, not otherwise provided for
- F21V 29/77 - Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
Patent holdings for IPC class F21V 29/77
Total number of patents in this class: 613
10-year publication summary
|
82
|
72
|
83
|
89
|
40
|
30
|
33
|
18
|
19
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Jiaxing Super Lighting Electric Appliance Co., Ltd | 414 |
48 |
| Signify Holding B.V. | 7858 |
40 |
| Ideal Industries Lighting LLC | 934 |
37 |
| Prosperina Ventures LLC | 120 |
30 |
| Lighting Defense Group, LLC | 44 |
26 |
| Eaton Intelligent Power Limited | 6157 |
20 |
| Suzhou Lekin Semiconductor Co., Ltd. | 1293 |
16 |
| Savant Technologies, LLC | 367 |
15 |
| Feit Electric Company, Inc. | 282 |
12 |
| Panasonic Intellectual Property Management Co., Ltd. | 33401 |
10 |
| ABL IP Holding LLC | 1896 |
9 |
| Xiamen Eco Lighting Co. Ltd. | 282 |
9 |
| Creeled, Inc. | 963 |
8 |
| Samsung Electronics Co., Ltd. | 153093 |
7 |
| Lucifer Lighting Company | 64 |
7 |
| Hubbell Lighting, Inc | 605 |
7 |
| Acera LLC | 20 |
7 |
| Lighting Science Group Corporation | 174 |
6 |
| Signify North America Corporation | 191 |
6 |
| Mitsubishi Electric Corporation | 47522 |
5 |
| Other owners | 288 |